Home / 19,256.20-28,885.20-6,109.60

Finding the Fourth Proportional to 19,256.20, 28,885.20 and 6,109.60

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Solution

The fourth proportional to 19,256.20, 28,885.20 and 6,109.60 is: 9,164.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.20 : 28,885.20 = 6,109.60 : x
  2. Step 2: Convert to fraction form
    19,256.20/28,885.20 = 6,109.60/x
  3. Step 3: Cross multiply
    19,256.20x = 28,885.20 × 6,109.60
  4. Step 4: Simplify right side
    19,256.20x = 176,477,017.92
  5. Step 5: Solve for x
    x = 176,477,017.92/19,256.20
  6. Step 6: Final answer
    x = 9,164.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.